Online teaching sesh Flashcards
(131 cards)
What are anti-GAP and anti-LA2 antibodies for?
T1DM - against islet of langherhans cells
What is De’quevians thyroiditis?
Hyper -> hypo -> eurothyriod
Usually following viral infection in women.
Tx: symptomatic
Where is the pathology for RAPD and MLD?
optic nerve - current or previous optic neuritis
What does the sympathetic nervous system do to the pupil (eye)?
Pupil dilation
what does a CN 3 palsy do to the pupil?
Pupil dilation - loss of parasympathetic
DD for horners syndrome?
Pancoast tumour
Carotid pathology - aneurism/ dissection
Other neck mass effects
Ptosis + eye movement difficulties, MLD?
Thyroid eye disease
Failure of inferior eye movement when looking nasal/ medial. MLD?
CN4 palsy - superior oblique
CN6 palsy in elderly MLD?
Microvascular or DM
CN6 palsy in a young person MLD?
tumour, cavernous sinus carotid aneurysm
NEEDS Investigation
DD for loss of vision along the optic tract?
- Demyelinating
- SOL
- Stroke
MLD of lesion for homonyous hemianopia with macular sparing?
occipital lobe
MLD of lesion for macular loss of vision?
Occicipital lobe in the MCA area
DD tunnel vision?
retinitis pigments
Laser 2nd to DM
Advanced glaucoma
DD altitudinal defect?
Inferior or superior loss of vision in one eye. Superior Retina or optic nerve defect.
DD for enlarged blind spot?
Central vision
Optic disc - e.g. swelling
stages of DM retinopathy?
Background
Pre-profilerative
Proliferative
features of DM background retinopathy ?
dot/ blot haemorrhages
micro-aneurysms
Features of DM pre-proliferative retinopathy?
dot/ blot haemorrhages
cotton wool
venous beading
Features of DM proliferative retinopathy?
Previous blot haemorrhages, cotton will and venous beading + Proliferation of vessels
How are differences between drusen and exudates
blood vessels go over drusen. exudates at same level of vessel.
Hypertensive retinopathy features?
AV - nipping
Copper wiring
focal arterial attenuation
Eventually - haemorrhages + cotton wool + disc swelling
features of dry AMD?
drusen
pigment
macular atrophy
haemorrhages + drusen?
wet AMD